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<br /> <br />.("':. <br /> <br />/ <br />~ . <br />"'11;::;1631 <br /> <br />FIGURE 7 <br /> <br />SEVERE EROSION ABOVE PROSPECT LATERAL <br /> <br />Severe erosion occurred over approxi- <br />mately 2.5 acres of farmland located about <br />1,500 feet downstream from the breach in <br />Prospect Valley Reservoir (above the <br />Prospect Lateral). <br /> <br />Eyewitnesses described the flood in <br />this reach as a loud, spectacular <br />waterfall. Dramatic erosional cuts <br />remained after the water receded (see <br />Figure 10). These cuts began at the <br />Prospect Lateral and proceeded upstream. <br />Maximum cut depth is approximately 30 <br />feet, with major benches at 10- to 15-foot <br />levels. The volume of material removed in <br />this area is estimated at 83,000 cubic <br />yard s . <br /> <br />8 <br />